PKG_BUILDDIR ?= $(PKGDIRBASE)/tinydtls

INCLUDES += -I$(PKG_BUILDDIR)

ifeq ($(TOOLCHAIN), llvm)
  CFLAGS += -Wno-gnu-zero-variadic-macro-arguments -Wno-unused-function
endif

INCLUDES += -I$(RIOTBASE)/pkg/tinydtls/include
INCLUDES += -I$(PKG_BUILDDIR)
# Mandatory for tinyDTLS
CFLAGS += -DDTLSv12 -DWITH_SHA256

# Dependencies partially under control of the App's requirements

# The configuration for socket overrides Sock
ifeq (,$(filter posix_sockets,$(USEMODULE)))
  CFLAGS += -DWITH_RIOT_GNRC
endif

# NOTE: PSK should be enabled by default BUT if the user define any other cipher
#       suite(s) it should not be enabled.
# TODO: Create the flag DTLS_CIPHERS with keywords PSK, ECC (and future)
ifeq (,$(filter -DDTLS_PSK,$(CFLAGS)))
  ifeq (,$(filter -DDTLS_ECC,$(CFLAGS)))
    CFLAGS += -DDTLS_PSK
  endif
endif

# Handles the verbosity of tinyDTLS. Default: Minimum or just error messages.
ifeq (,$(filter -DDTLS_DEBUG,$(CFLAGS)))
  CFLAGS += -DTINYDTLS_LOG_LVL=0
else
  CFLAGS += -DTINYDTLS_LOG_LVL=6
endif

ifneq (,$(filter tinydtls_aes,$(USEMODULE)))
  DIRS += $(PKG_BUILDDIR)/aes
endif

ifneq (,$(filter tinydtls_ecc,$(USEMODULE)))
  DIRS += $(PKG_BUILDDIR)/ecc
endif

# For now contrib only contains sock_dtls adaption
ifneq (,$(filter tinydtls_sock_dtls,$(USEMODULE)))
  DIRS += $(RIOTBASE)/pkg/tinydtls/contrib
endif